TY JOUR TI TRAINING OF SCIENTIFIC AND PEDAGOGICAL HIGHLY QUALIFIED PERSONNEL FOR MECHANICAL ENGINEERING KW postgraduate KW high-level qualification KW dissertation KW defense KW specialty KW mechanical engineering KW code KW council KW opponent KW academic personnel KW processes JO Bulletin of Bryansk state technical university AU Kirillov, O.N. PY 2021 IS 2021 PB Bryansk State Technical University